Vehicle-to-Vulnerable Road User (V2VRU) Safety Systems

V2VRU establishes a direct peer-to-peer safety bubble between moving vehicles and vulnerable road users (pedestrians, cyclists, and e-scooters). Operating over direct cellular sidelink and UWB, it alerts drivers to hidden pedestrians blocked behind parked delivery vans.

Why Vehicle Cameras and Radars Fail to Protect Blind-Corner Pedestrians

Line-of-sight sensors like cameras and LiDAR cannot penetrate solid brick walls, fences, or parked delivery trucks. When a pedestrian steps into a crosswalk from behind an obstruction, vehicles travelling at 50 km/h have zero reaction time. V2VRU transmits radio signals that diffract around obstacles, alerting vehicles seconds before physical visual contact occurs.

Core Engineering Areas

• ETSI VRU Awareness Messages (VAM) — Packaging pedestrian smartphone coordinates, heading vectors, gait speeds, and user profiles (child, elderly, wheelchair) into ultra-compact 80-byte binary packets.
• UWB Sub-10cm Relative Ranging — Measuring nanosecond radio time-of-flight between vehicle bumper transceivers and personal devices to calculate relative separation down to 5 centimeters.
• Pedestrian Intent Prediction — Analyzing smartwatch wrist swings and smartphone IMU acceleration spikes to predict that a standing pedestrian is about to step off the sidewalk 1.5 seconds early.

Technical Articles

• Implementing ETSI VRU Awareness Messages (VAM) on 5G NR Sidelink
• Centimeter-Precise UWB Ranging Under Complex Urban Multipath Conditions

Related Cluster Architecture Specifications

• AutomotiveSDV — Full SDV Stack & Reference Architecture
• A2HCard — Agent-to-Human (A2H) Interface Cards & In-Cabin Autonomous Interaction Manifests
• A2HumanCard — Standardized In-Vehicle AI Agent Capability Discovery, Trust & Authorization Cards
• AIDrivenSynBio — AI-Driven Synthetic Biology for Automotive In-Cabin Air Purification, Bio-Engineered Pathogen Scavengers & Molecular Biosensors